Equivalent color settings in Blender with Autodesk Navisworks
Expanding my comment above: yes, you're using Blender Render.

About 1)

Ambient color should be what is set in the World settings, here:



And you can level the amount of ambient each material gets with this:



see also 
https://www.blender.org/manual/render/blender_render/materials/introduction.html

About 2) I think you need to set your material's specular:

You can choose color, intensity, shader type, and you can also use a custom-defined color ramp, if needed, here:



See whole reference here: https://www.blender.org/manual/render/blender_render/materials/index.html

Of course, being Blender Internal a scanline renderer, it is not targeted to ultra-realistic results. 

I don't know Navisworks at all, so it could be a similar system, or not. Maybe others will help better than me in this respect.

Blender's Cycles, instead, is a very good PBR renderer and it allows ultra realistic results, if needed, but its materials are completely different, and based on nodes - in that case, start here: https://www.blender.org/manual/render/cycles/materials/index.html